« previous next »

Author Question: Winter hibernation and spring reproduction in bears are cued by seasonal changes (Read 571 times)

sammy

  • Hero Member
  • *****
  • Posts: 818
on: Sep 23, 2013
Winter hibernation and spring reproduction in bears are cued by seasonal changes in the secretion of
A) melatonin from the pineal gland.
B) melatonin from the hypothalamus.
C) thyroxine from the anterior pituitary gland.
D) acetylcholine from the pineal gland.
E) thyroid-stimulating hormone from the posterior pituitary gland.


penguins

  • Hero Member
  • *****
  • Posts: 903
Reply #1 on: Sep 25, 2013
For sure it has to be A Mark as solved once you're done!


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question

sammy

  • Hero Member
  • *****
  • Posts: 818
Reply #2 on: Sep 27, 2013
Marking this topic solved :D

Thanks so much for the help


« previous next »
 

Did you know?

Women are 50% to 75% more likely than men to experience an adverse drug reaction.

Did you know?

Patients who have been on total parenteral nutrition for more than a few days may need to have foods gradually reintroduced to give the digestive tract time to start working again.

Did you know?

The first oral chemotherapy drug for colon cancer was approved by FDA in 2001.

Did you know?

The average person is easily confused by the terms pharmaceutics and pharmacology, thinking they are one and the same. Whereas pharmaceutics is the science of preparing and dispensing drugs (otherwise known as the science of pharmacy), pharmacology is the study of medications.

Did you know?

Signs and symptoms that may signify an eye tumor include general blurred vision, bulging eye(s), double vision, a sensation of a foreign body in the eye(s), iris defects, limited ability to move the eyelid(s), limited ability to move the eye(s), pain or discomfort in or around the eyes or eyelids, red or pink eyes, white or cloud spots on the eye(s), colored spots on the eyelid(s), swelling around the eyes, swollen eyelid(s), and general vision loss.

Eastern skunk cabbage, an endothermic plant, can melt its way up through spring snow cover Eastern skunk cabbage, an endothermic plant, can melt its way up through spring snow cover
A whale off Australia on the spring migration, feeding on krill by turning on its side and propellin A whale off Australia on the spring migration, feeding on krill by turning on its side and propellin
Catherine Opie, Untitled #13 (Spring), from Somewhere in the Middle. Catherine Opie, Untitled #13 (Spring), from Somewhere in the Middle.
Spring for the Crane and Deer. Beginning position: Legs straight and together, arms at sides of ... Spring for the Crane and Deer. Beginning position: Legs straight and together, arms at sides of ...
Asexual Reproduction Asexual Reproduction
Video: Carbon fixing adaptations Animation

For a complete list of videos, visit our video library